import Vue from 'vue'
import Router from 'vue-router'
import Login from "../components/Login.vue";
import Home from "../components/Home.vue"
import Welcome from '../components/Welcome.vue'
import Users from "../components/user/users.vue";
import Rights from "../components/power/Rights";
import Roles from "../components/power/Roles.vue";
import Cate from "../components/goods/Cate.vue";
import Params from "../components/goods/Params.vue";
import List from "../components/goods/List.vue";
import Add from "../components/goods/Add.vue";
import Order from "../components/order/Order.vue";


Vue.use(Router)

const router = new Router({
  routes: [
    {path: '/', redirect: '/login'},
    {path: '/login', component: Login},
    {
      path: '/home', component: Home, redirect: '/welcome',
      children: [
        {path: '/welcome', component: Welcome,},
        {path: '/users', component: Users,},
        {path: "/rights", component: Rights},
        {path: "/roles", component: Roles},
        {path: "/categories", component: Cate},
        {path: "/params", component: Params},
        {path: "/goods", component: List},
        {path: "/goods/add", component: Add},
        {path: "/orders", component: Order},
      ]
    },
  ]
})

// 路由守卫导航
router.beforeEach((to, from, next) => {
  // to将要访问到的路径
  // from从哪个路径跳进来
  // next() 是一个函数--强制放行  next() 是放行    next('/login')是强制跳转
  if (to.path === '/login') return next();
// 现货区token在判断不是login路径的需不要强制跳转login
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
export default router
